Inventor
OKUBO ICHIRO
8 patents
Patents
8 patentsUS4036805AJul 19, 1977
Coloring of the organic materials with naphthacenequinones
MITSUI TOATSU CHEMICALS19 citations80
US3960479AJun 1, 1976
Coloring of organic materials with asymmetric thioindigoid compounds
MITSUI TOATSU CHEMICALS3 citations61
US4033923AJul 5, 1977
Coloring resins by mixing naphthacenequinones therewith
MITSUI TOATSU CHEMICALS6 citations59
US3963429AJun 15, 1976
Coloring of organic materials with asymmetric thioindigoid compounds
MITSUI TOATSU CHEMICALS3 citations58
US3994932ANov 30, 1976
Process for the preparation of 1-aminoanthraquinone
MITSUI TOATSU CHEMICALS6 citations56
US4032539AJun 28, 1977
Coloring of organic materials with asymmetric thioindigoid compounds
MITSUI TOATSU CHEMICALS1 citations51
US3986826AOct 19, 1976
Dyeing synthetic and semisynthetic materials with naphthacenequinine derivatives
MITSUI TOATSU CHEMICALS0 citations49
US4017509AApr 12, 1977
Process for producing substituted or unsubstituted 2-phenyl-1.2.3.-triazole-4-carboxaldehyde
MITSUI TOATSU CHEMICALS1 citations47